Inflammatory cells Is the answer
It’s renewable so option C.
Sphenoid bone spans the width of the cranial floor; keystone of the cranium <span>because its central wedge articulates with every other cranial bone </span>
1) Carbohydrates—> monosaccharide (sugar)
2) Lipids —> fatty acid
3) Proteins —> amino acids
4) Nucleic Acids —> nucleotide